Washington, D.C. 20549


Proxy Statement Pursuant to Section 14(a) of the
Securities Exchange Act of 1934 (Amendment No. )

Filed by the Registrant Filed by a Party other than the Registrant      

  Preliminary Proxy Statement
Confidential, For Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
Definitive Proxy Statement
  Definitive Additional Materials
Soliciting Material Under Rule 14a-12

Western Digital Corporation

(Name of Registrant as Specified In Its Charter)
(Name of Person(s) Filing Proxy Statement, if Other Than the Registrant)

  No fee required.
Fee computed on table below per Exchange Act Rules 14a-6(i)(1) and 0-11.
1) Title of each class of securities to which transaction applies:
2) Aggregate number of securities to which transaction applies:
3) Per unit price or other underlying value of transaction computed pursuant to Exchange Act Rule 0-11 (set forth the amount on which the filing fee is calculated and state how it was determined):
4) Proposed maximum aggregate value of transaction:
5) Total fee paid:
Fee paid previously with preliminary materials:
Check box if any part of the fee is offset as provided by Exchange Act Rule 0-11(a)(2) and identify the filing for which the offsetting fee was paid previously. Identify the previous filing by registration statement number, or the form or schedule and the date of its filing.
1) Amount previously paid:
2) Form, Schedule or Registration Statement No.:
3) Filing Party:
4) Date Filed:

*** Exercise Your Right to Vote ***
Important Notice Regarding the Availability of Proxy Materials for the
Stockholder Meeting to Be Held on November 18, 2020.


SAN JOSE, CA 95119

Meeting Information
Meeting Type:       Annual Meeting
For holders as of: September 21, 2020
Date:     November 18, 2020     Time:     8:00 a.m., PT
Location:   Meeting live via the Internet — please visit
The company will be hosting the meeting live via the Internet this year. To attend the meeting via the Internet please visit www.virtualshareholdermeeting.com/WDC2020 and be sure to have the information that is printed in the box marked by the arrow ➔ XXXX XXXX XXXX XXXX  (located on the following page).

You are receiving this communication because you hold shares in the company named above.

This is not a ballot. You cannot use this notice to vote these shares. This communication presents only an overview of the more complete proxy materials that are available to you on the Internet. You may view the proxy materials online at www.proxyvote.com, scan the QR Barcode on the reverse side, or easily request a paper copy (see reverse side).

We encourage you to access and review all of the important information contained in the proxy materials before voting.

See the reverse side of this notice to obtain proxy materials and voting instructions.

Before You Vote
    How to Access the Proxy Materials

Proxy Materials Available to VIEW or RECEIVE:
How to View Online:
Have the information that is printed in the box marked by the arrow ➔ XXXX XXXX XXXX XXXX  (located on the following page) and visit: www.proxyvote.com, or scan the QR Barcode below.
How to Request and Receive a PAPER or E-MAIL Copy:
If you want to receive a paper or e-mail copy of these documents, you must request one. There is NO charge for requesting a copy.
Please choose one of the following methods to make your request:
1)   BY INTERNET:       www.proxyvote.com
2)   BY TELEPHONE:   1-800-579-1639
3)   BY E-MAIL*:            sendmaterial@proxyvote.com
* If requesting materials by e-mail, please send a blank e-mail with the information that is printed in the box marked by the arrow ➔ XXXX XXXX XXXX XXXX  (located on the following page) in the subject line.
Requests, instructions and other inquiries sent to this e-mail address will NOT be forwarded to your investment advisor. Please make the request as instructed above on or before November 4, 2020 to facilitate timely delivery.

How To Vote
    Please Choose One of the Following Voting Methods

Vote By Internet:
Before The Meeting:
Go to www.proxyvote.com or from a smartphone, scan the QR Barcode above. Have the information that is printed in the box marked by the arrow ➔ XXXX XXXX XXXX XXXX  (located on the following page) available and follow the instructions.
During The Meeting:
Go to www.virtualshareholdermeeting.com/WDC2020. Have the information that is printed in the box marked by the arrow ➔ XXXX XXXX XXXX XXXX  (located on the following page) available and follow the instructions.
Vote By Mail: You can vote by mail by requesting a paper copy of the materials, which will include a proxy card.
Voting Deadline: If you vote by Internet or mail, your vote must be received by 11:59 p.m. Eastern Time on November 17, 2020. If you are a participant in the Western Digital Corporation 401(k) Plan, you must provide voting instructions for the shares in your plan account by 11:59 p.m. Eastern Time on November 15, 2020 to allow sufficient time for the plan trustee to vote the shares on your behalf.

Voting Items

The Board of Directors recommends a vote FOR each of the
following nominees:
1a.       Kimberly E. Alexy
1b. Martin I. Cole
1c. Kathleen A. Cote
1d. Tunç Doluca
1e. David V. Goeckeler
1f. Matthew E. Massengill
1g. Paula A. Price
1h. Stephanie A. Streeter

The Board of Directors recommends a vote FOR Proposals 2, 3 and 4:


To approve on an advisory basis the named executive officer compensation disclosed in the Proxy Statement;


To approve an amendment and restatement of our 2017 Performance Incentive Plan to increase by 9.8 million the number of shares of our common stock available for issuance under that plan; and


To ratify the appointment of KPMG LLP as our independent registered public accounting firm for fiscal 2021.


In their discretion, the Proxies are authorized to vote on such other business as may properly come before the meeting and any postponement or adjournment of the meeting.